45 mm replacement piston with two 1.5 mm rectangular piston rings with internal fuse (IS) for various Puch mopeds / mopeds with Athena AJH cylinders.
The detailed dimensions of the piston according to the technical drawing can be found in the details. You can also find out about the relevant piston rings, their stems and locking types on the legend in the pictures.
| Manufacturer | Athena |
| Nominal diameter | 45 mm |
| Ø outside piston (A) | 44.91 mm |
| Ø piston pin (B) | 12 mm |
| Compression height (C) | 25 mm |
| Curvature (D) | 2.8 mm |
| Total piston height (E) | 50.8 mm |
| Number of piston rings (F) | 2 pcs |
| Piston ring mold | Rectangular ring |
| Piston ring impact | Internal fuse (IS) |
| Piston ring height | 1.5 mm |
| Tolerance group | C |
| Weight piston kit | 95 g |
| Puch | E50 ZA50 (air-cooled) Z50 (X30 Sport) |
Accessories & related products
Athena 45 mm cylinder kit incl. diaphragm AJH | Puch
Manufacturer: Athena · Camouflaged: No · Material: Aluminum · Surface: sandblasted · Crankshaft stroke: 43 mm · Displacement: 70 ccm · Ø cylinder neck: 47.8 mm · Nominal diameter: 45 mm · Ø outlet inside: 26 mm · Ø Inlet inside: 16 mm · Hole spacing inlet: 40 mm · Hole spacing inlet: 60 mm · Ø piston pin (B): 12 mm · Inlet window: 38 x 25 mm · Thread inlet: M6x1 (standard thread) · Hole pattern [mm]: 44 x 44 · Area of application: Tuning · Number of fixing points: 4 pcs · Outlet type: straight · Hole spacing outlet: 42 mm · Thread outlet: M6x1 (standard thread) · Decompressor: No
EUR 355.70
Athena piston AJH 45 mm #A | Puch
Manufacturer: Athena · Nominal diameter: 45 mm · Ø outside piston (A): 44.9 mm · Ø piston pin (B): 12 mm · Compression height (C): 25 mm · Curvature (D): 2.8 mm · Total piston height (E): 50.8 mm · Number of piston rings (F): 2 pcs · Piston ring mold: Rectangular ring · Piston ring impact: Internal fuse (IS) · Piston ring height: 1.5 mm · Tolerance group: A · Weight piston kit: 94 g
EUR 77.10
Athena piston 45 mm AJH #B | Puch
Manufacturer: Athena · Nominal diameter: 45 mm · Ø outside piston (A): 44.93 mm · Ø piston pin (B): 12 mm · Compression height (C): 24.9 mm · Curvature (D): 2.82 mm · Total piston height (E): 50.8 mm · Number of piston rings (F): 2 pcs · Piston ring mold: Rectangular ring · Piston ring impact: Internal fuse (IS) · Piston ring height: 1.5 mm · Tolerance group: B · Weight piston kit: 94 g
EUR 77.10
GPO piston pin extractor Ø 10, 12, 14 mm
Manufacturer: GPO · Number of components: 7 pcs · Material: Steel · Surface: burnished · Diameter: 10 mm · Diameter: 12 mm · Diameter: 14 mm · Total length: 130 mm · Width across flats: 10 mm · Width across flats: 17 mm · Area of application: (Dis)assembly tool
EUR 24.00
Explore categories from Piston
Moped fans also bought
Hot 
KMC drive chain 415H (reinforced) 128L
Chain pitch: 1/2" x 3/16" · Chain type: 415H · Manufacturer: KMC · Material: Steel · Surface: blank / oiled · Number of chain links: 128 pcs · Color: gray · Rolling circumference: 1626 mm · Chain lock type: Spring lock · Ø bore: 4 mm · Ø Pin: 3.94 mm
EUR 15.10
swiing® revival Stud Bolt, Inlet/Outlet M6x30 (Grade 10.9)
Manufacturer: swiing® revival parts · Diameter: 5.95 mm · Material: Steel · Surface: galvanized (blue) · Thread length: 12 mm · Total length: 30 mm · Nominal diameter (thread): 6 mm · Strength class: 10.9 · Thread type: M6x1 (standard thread)
EUR 2.20
swiing® revival nozzle set M3.5 (54 - 64) Bing SRE, SRA, SRC, SRF
Manufacturer: swiing® revival parts · Material: Brass · Quantity: 6 pcs · Component group Carburetor: Spraying · Carburetor type: SRA (1/11/31) Velux · Carburetor type: SRA (1/11/35) Velux · Carburetor type: SRC · Carburetor type: SRE · Carburetor type: SRF · Total length: 6 mm · Nozzle type: Main nozzle · Nozzle thread: M3.5x0.6 (standard thread) · Drive: Slot · Nozzle size: 54 · Nozzle size: 56 · Nozzle size: 58 · Nozzle size: 60 · Nozzle size: 62 · Nozzle size: 64
EUR 19.20
Working late? Evening hours on Thursday until 20:00
